The invention relates to an environment-friendly bathroom closestool, in particular to a novel environment-friendly odorless bathroom closestool. The novel environment-friendly odorless bathroom closestool has the advantages that a principle of defusing excrements of people into odorless fertilizers by bacteria is mainly utilized, and due to the adoption of the closestool which is newly designed, the problem that a water source is polluted as excrements and urinates are discharged to the environment without being flushed after the defecating of people can be solved.